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Handling all file names safely in Bash

Posted 02-11-2012 at 12:09 PM by Nominal Animal
Updated 04-16-2012 at 02:41 AM by Nominal Animal (Fuller fixes.)
Tags bash, filename, nul
In Linux, each file or directory name (or more generally, pathname component) is just a string of bytes. It always ends with the C end-of-string mark, ASCII NUL: a zero. Value 47, ASCII /, is also reserved for use as a separator between pathnames.

Bash can read ASCII NUL separated data using read -d "" variable. It will, however, remove leading and trailing characters that match IFS, and return false (nonzero status) if the input does not have a final NUL. This applies to...
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Posted in Uncategorized
Views 870 Comments 0 Nominal Animal is offline
Old

Inode and its corresponding filename

Posted 07-21-2009 at 08:58 AM by Mr. ameya sathe (Tantra Yantra Swatantrya)
We refer to a file by its name. Computer refer to the file by its inode numbers. For every filesystem; there is an inode table. This table consists of Inode numbers & its correspondingmetadata. On the contrary; the mapping of filenames to inode numbers is stored in the directory containing the file.
To display the inode number of a file; say hindu one must issue the command
Code:
ls -i hindu
To display the total number of inode numbers in the filesystem ; you must issue the command...
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Views 3713 Comments 0 Mr. ameya sathe is offline

  



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